... Other actuators available valve typeSteam trapas per pass way typeSteam type, Ball float, Free-ball float steam, Bellows seal steamDesign & Manufacture standardsAPI6D, ASME B16. ... Of OperationGear,Electric,Pneumatic,Manual-Air-HydraulicDN(NPS)1/2"~2"PN(LB)Class 150LB~2500LBMain MaterialsCarbon Steel:WCB,WCC, ... steel:CF3,CF8,CF3M,CF8M,304,316,314L,316L, 2.Assemble 3.Disc/PLUG2CR13,304,304L,316,316L+STL ...